Yes, someone wrote the code... But we also have other jobs, and do not get on all the time. In cases like this, consider using the mailing list which us old grey beards use more often.
That said, it supports all the WISPr defined attributes, after much work between Jonathan and myself. I would give you more detail, but the dev computer I was using at that time was about 5 systems ago, and I would not even know where to find my notes.